Hamper frame



FIG. 1 is a perspective view of a hamper frame of the present design;

FIG. 2 is a front elevation view thereof, the rear elevation view not being shown as the view is identical to the front elevation view;

FIG. 3 is a left side elevation view thereof, the right side elevation view not being shown as the view is identical to the left side elevation view;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a hamper frame, as shown and described. 